renew SideNav

add contextmenu
fix MutableSet bug

browser/main/modals/RenameFolderModal.styl

@@ -0,0 +1,76 @@
+.root
+  modal()
+  max-width 340px
+  overflow hidden
+  position relative
+
+.header
+  height 50px
+  font-size 18px
+  line-height 50px
+  padding 0 15px
+  background-color $ui-backgroundColor
+  border-bottom solid 1px $ui-borderColor
+  color $ui-text-color
+
+.closeButton
+  position absolute
+  top 10px
+  right 10px
+  height 30px
+  width 0 25px
+  border $ui-border
+  border-radius 2px
+  color $ui-text-color
+  colorDefaultButton()
+
+.control
+  padding 25px 15px 15px
+  text-align center
+
+.control-input
+  display block
+  height 30px
+  width 240px
+  padding 0 5px
+  margin 0 auto 15px
+  border none
+  border-bottom solid 1px $border-color
+  border-radius 2px
+  outline none
+  vertical-align middle
+  font-size 18px
+  text-align center
+  &:disabled
+    background-color $ui-input--disabled-backgroundColor
+  &:focus, &:active
+    border-color $ui-active-color
+
+.control-confirmButton
+  display block
+  height 30px
+  border none
+  border-radius 2px
+  padding 0 25px
+  margin 0 auto
+  colorPrimaryButton()
+
+body[data-theme="dark"]
+  .root
+    modalDark()
+
+  .header
+    background-color $ui-dark-button--hover-backgroundColor
+    border-color $ui-dark-borderColor
+    color $ui-dark-text-color
+
+  .closeButton
+    border-color $ui-dark-borderColor
+    color $ui-dark-text-color
+    colorDarkDefaultButton()
+
+  .description
+    color $ui-inactive-text-color
+
+  .control-input
+    border-color $ui-dark-borderColor